222231222132201 has 6 divisors (see below), whose sum is σ = 321000654190970. Its totient is φ = 148154148088128.

The previous prime is 222231222132137. The next prime is 222231222132203. The reversal of 222231222132201 is 102231222132222.

222231222132201 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 312 + 2 + 21 + 322 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 133686434421225 + 88544787710976 = 11562285^2 + 9409824^2 .

It is not a de Polignac number, because 222231222132201 - 2⁶ = 222231222132137 is a prime.

It is a super-2 number, since 2×222231222132201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222231222132203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12346179007336 + ... + 12346179007353.

Almost surely, 2^{222231222132201} is an apocalyptic number.

It is an amenable number.

222231222132201 is a deficient number, since it is larger than the sum of its proper divisors (98769432058769).

222231222132201 is a wasteful number, since it uses less digits than its factorization.

222231222132201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24692358014695 (or 24692358014692 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 222231222132201 its reverse (102231222132222), we get a palindrome (324462444264423).

The spelling of 222231222132201 in words is "two hundred twenty-two trillion, two hundred thirty-one billion, two hundred twenty-two million, one hundred thirty-two thousand, two hundred one".